Brian Tooley Racing Truck Norris Camshaft for Chevrolet 4.8L 5.3L 6.0L Trucks SUVsSpecs: 212 22X, . 552 . 552, 107 LSA The Truck Norris will deliver a roundhouse kick in the pants to your 1999 2013 Silverado or Sierra. Developed from hundreds of hours of in house cam lobe design and dyno testing, this camshaft has more power and torque everywhere in the curve compared to our legendary V2 truck cams.

This timing chain is a drop in installation which requires no grinding or hours of clearance work like double roller chains do

Designed For Use With Aftermarket Or Stock Bulbs

-Custom Interiors

OEM Fuel Line Conversion Kit - Part# 54028-KIT

Enginetech has added timing sets and components to its product line

Boosted towing performance

The 112LSA helps to bring the camshaft's powerband lower in the RPM band

493" 113-2)

- GM PN 12689035 Camshaft

2001 Chevrolet Silverado 2500 5

Black Oxide Finish

• Unique design eliminates timing movement throughout the rpm range